title: Pharmacy through the ages. Medicinal leeches.
mesh_terms: D000818:Animals; D024764:Hirudin Therapy / Q000266:history*; D000077406:History of Pharmacy; D049672:History, 19th Century; D049673:History, 20th Century; D007865:Leeches; D012957:Societies, Pharmaceutical / Q000266:history